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libraries/audio-tools/examples/examples-stream/streams-generator-timedstream-serial/streams-generator-timedstream-serial.ino

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+
+/**
+ * @file streams-generator-serial.ino
+ * @author Phil Schatzmann
+ * @brief Example how to limit the output with a timed stream: generate audio for 1 second
+ * @copyright GPLv3
+ **/
+
+#include "AudioTools.h"
+
+AudioInfo info(8000, 1, 16);
+SineWaveGenerator<int16_t> sineWave(32000);
+GeneratedSoundStream<int16_t> sound(sineWave);
+TimedStream timed(sound, 0, 1);
+CsvOutput<int16_t> out(Serial);
+StreamCopy copier(out, timed);  // copies sound to out
+
+// Arduino Setup
+void setup(void) {
+  // Open Serial
+  Serial.begin(115200);
+  AudioToolsLogger.begin(Serial, AudioToolsLogLevel::Info);
+
+  sineWave.begin(info, N_B4);
+
+  timed.begin(info);
+
+  out.begin(info);
+}
+
+// Arduino loop - copy sound to out
+void loop() {
+  copier.copy();
+}